177620391

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{787}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 284184320

約数和(自身を除く): 106563929

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 643, 787, 1929, 2361, 5787, 7083, 8359, 10231, 17361, 21249, 25077, 30693, 75231, 92079, 225693, 276237, 506041, 1518123, 4554369, 6578533, 13663107, 19735599, 59206797, 177620391]

約数ペア:

[(1, 177620391), (3, 59206797), (9, 19735599), (13, 13663107), (27, 6578533), (39, 4554369), (117, 1518123), (351, 506041), (643, 276237), (787, 225693), (1929, 92079), (2361, 75231), (5787, 30693), (7083, 25077), (8359, 21249), (10231, 17361)]